Ivy Privacy Policy

Last updated: February 23, 2026

Ivy is a browser extension that enhances the Amazon Vine display with organizational features like saved searches, hidden items, and price display. This privacy policy explains what data Ivy collects, how it is used, and your choices.

Summary

• ETV (Estimated Tax Value) is stored locally only and never sent to any server.
• Cross-device sync is optional and uses a pseudonymous account identifier.
• Telemetry is opt-in and can be disabled at any time.
• We do not collect Amazon passwords or browsing history outside Vine pages.

Data Collection

Data Stored Locally Only (Never Leaves Your Device)

• ETV (Estimated Tax Value): Display price badges on Vine items.
• Vine queue state: Track availability, saved and hidden items.
• User preferences: Saved searches, display settings, and sort order.
• Session cache: Page data for faster navigation.

Data Synced to Ivy Servers (Opt-In)

• Pseudonymous account identifier: Derived from Amazon session/customer ID data for optional sync.
• Amazon display name (optional): Used only to label linked accounts.
• Public product metadata: ASIN, title, thumbnail URL, and availability status.
• Saved/hidden lists: Synced across your signed-in devices.

What We Never Collect

• Your Amazon password or credentials
• Your Amazon order history or purchase data
• ETV (Estimated Tax Value), Vine-specific non-public data
• Browsing history outside Vine pages
• Financial or payment information

Optional Telemetry

Ivy includes optional usage analytics, error reporting, and session replay for product improvement. Telemetry is disabled by default.

Host Permissions

Ivy requires access to Amazon Vine pages only, including:

• https://www.amazon.com/vine/*
• https://www.amazon.co.uk/vine/*
• https://www.amazon.de/vine/*
• https://www.amazon.co.jp/vine/*

Data Storage and Security

• Local data uses browser-native storage APIs.
• Synced data is stored in Firebase Firestore with encryption at rest.
• Authentication uses anonymous session tokens, not Amazon credentials.

Data Retention

• Local data persists until browser data is cleared or extension uninstall.
• Synced data is retained while your account is active and can be deleted on request.
• Telemetry data retention targets: 90 days analytics, 30 days replay.

Contact

Email: support@ivy-vine.com
Website: https://simplezen.io

Chrome Web Store Disclosures

Single Purpose

Ivy's single purpose is to enhance the Amazon Vine browsing experience with display improvements, organization tools, and cross-device sync.

Permission Justifications

• storage: Store user preferences, saved items, and cached data locally.
• unlimitedStorage: Allow larger local Vine metadata caches for performance.
• identity: Enable optional cross-device sync authentication.
• host_permissions (Amazon Vine URLs): Access Vine pages to inject display enhancements.

Limited Use Compliance Statement

Ivy's use and transfer of information received from Google APIs adheres to the Chrome Web Store User Data Policy, including Limited Use requirements.

1. Single Purpose: Data is used only for user-facing extension functionality.
2. No Secondary Use: Data is not used for advertising or unrelated profiling.
3. No Human Access: Human access is limited to consented support, security, or legal reasons.
4. No Unauthorized Transfer: Data is not sold and is only shared as needed for core functionality or legal obligations.